A new species of Eulachnus Del Guercio from China (Hemiptera: Aphididae Lachninae) Author Kanturski, Mariusz Zoology Research Team, Institute of Biology, Biotechnology and Environmental Protection, Faculty of Natural Sciences, University of Silesia in Katowice, Bankowa 9, 40 - 007 Katowice, Poland. Author Qiao, Ge-Xia Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China. Author Favret, Colin Department of Biological Sciences, Biodiversity Centre, University of Montreal, 4101 E Sherbrooke St, Montreal, Quebec H 1 X 2 B 2, Canada. text Zootaxa 2022 2022-09-12 5183 1 380 389 journal article 140876 10.11646/zootaxa.5183.1.28 4b4c3cf5-6a8b-4c05-a385-aa6c95af6443 1175-5326 7070309 CCA2883B-62A2-4001-AD06-E782B2B2E8B4

TABLE 2. Main morphological differences between apterous and alate viviparous females of Eulachnus blackmani and E. nigricola.

Character	Eulachnus blackmani	Eulachnus nigricola
Apterous viviparous females
Spinal scleroites	two rows and larger than the other ones	one row and of the same size as the other ones
Abdominal pleural setae	visibly longer than spinal ones	of the same length as other ones
ABD I–V longest setae	0.027 mm	0.050 mm
ANT VI basal setae	4	5–6
III TIBIAE setae	not of the same length, longest ones up to 0.115 mm	of the same length, longest ones about 0.075 mm
HT II setae	with two long dorsal setae, much longer than other tarsal setae	all setae of the same length
PT/BASE	0.25–0.32	0.17–0.25
URS/ANT III	0.33–0.36	0.26–0.33
URS/ANT VI	0.35–0.40	0.41–0.42
Alate viviparous females
Spinal scleroites	two rows and larger than the other ones	one row and of the same size as the other ones
Abdominal pleural setae	visibly longer than spinal ones	of the same length as other ones
ANT VI basal setae	4	5–6
Head longest setae	0.070 mm	0.110 mm
III TIBIAE setae	not of the same length, longest ones up to 0.120 mm	of the same length, longest ones about 0.090 mm